'use strict';
const db = uniCloud.database()
const dbCmd = db.command
exports.main = async (event, context) => {
	//event为客户端上传的参数
	console.log('event : ', event)
	let data = {}
	data[event.key]=dbCmd.remove()
	let res = await db.collection(event.db).update(data)
	//返回数据给客户端
	return res
};
